<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<h1> hello world!!!</h1>
		
		<!--
			self		自身跳转
		-->
		<a href="https://baidu.com" target="_self">跳转百度（self）</a>
		
		<!--
			parent		让父框架进行跳转
		-->
		<a href="https://baidu.com" target="_parent">跳转百度（parent）</a>
		
		<!--
			top		让最顶层的框架跳转
		-->
		<a href="https://baidu.com" target="_top">跳转百度（top）</a>

	</body>
</html>
